* SIMPLE CLEAR EXPLANATIONS / SOLUTIONS forEVERY TEST PROBLEM for all eight tests & problems in the introduction section.* READING PASSAGES SUMMARIZED to help in comprehension.* The BEST, MOST DIRECT SOLUTION to each math problem with visuals and diagrams.* Why close answers are wrong, and which ones are TRAPS that students usually pick.* VOCABULARY WORDS DEFINED so you don't have to look them up in a dictionary.* GRAMMATICAL ERRORS highlighted for...